During a deployment of a new application version using AWS CodeDeploy to Amazon EC2 instances, a DevOps engineer encounters a failure where all deployment events are marked as Skipped, and no code is deployed to the instances. What potential issues could lead to this deployment failure?

Exam-Like

The networking configuration does not allow the EC2 instances to reach the internet via a NAT gateway or internet gateway, preventing access to the CodeDeploy endpoint.

20.0%

The IAM user initiating the deployment lacks the necessary permissions to interact with the CodeDeploy service.

10.0%

The target EC2 instances are not correctly registered with the CodeDeploy service.

10.0%

The EC2 instances do not have an attached IAM instance profile with the required permissions for CodeDeploy.

50.0%

The application revision does not include the necessary appspec.yml file.

10.0%

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During a deployment of a new application version using AWS CodeDeploy to Amazon EC2 instances, a DevOps engineer encounters a failure where all deployment events are marked as Skipped, and no code is deployed to the instances. What potential issues could lead to this deployment failure?